Year % of relevant age group 1971 38.7463493347168 1974 40.932861328125 1987 61.960880279541 1988 64.036750793457 1995 71.6333923339844 1999 68.1259231567383 2000 70.9330596923828 2001 76.3768005371094 2002 78.67822265625 2003 82.9625930786133 2008 98.2635498046875 2009 99.3028717041016 2011 95.890998840332 2013 96.9720001220703 2014 99.0279998779297 2015 99.9039993286133 2016 99.3140029907227 2017 98.588996887207 2019 96.3093719482422 2020 98.1042175292969 2021 99.0849990844727 2023 93.4889984130859